SB20241022138 - Improper locking in Linux kernel erofs
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022138
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-47736)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the z_erofs_fill_bio_vec(), folio_lock(), folio_put() and z_erofs_submit_queue() functions in fs/erofs/zdata.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b9b30af0e86ffb485301ecd83b9129c9dfb7ebf8
- https://git.kernel.org/stable/c/9cfa199bcbbbba31cbf97b2786f44f4464f3f29a
- https://git.kernel.org/stable/c/9e2f9d34dd12e6e5b244ec488bcebd0c2d566c50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.72